T3

T3 or T-3 may refer to:

Medicine

• In endocrinology, T₃ is an abbreviation for triiodothyronine
  • Polar T3 syndrome, a syndrome of low T3 hormone in polar explorers
• In human anatomy:
  • T3 spinal nerve
  • Third thoracic vertebrae
• A non-small cell lung carcinoma staging code for a type of tumour
• A nickname for Tylenol 3 (paracetamol with codeine, or co-codamol), a painkiller

Vehicles and transportation

• Bankstown Line, a rail service in Sydney, Australia, numbered T3
• Eastern Airways (IATA code)
• Fuji T-3, a Japanese primary military trainer aircraft
• T3, a model of the OS T1000 train of the Oslo Metro
• Paris tramway Line 3
• Tatra T3, a tramcar manufactured by ČKD Tatra
• Terminal 3 at the Indira Gandhi International Airport#Terminal 3
• Trager-Bierens T-3 Alibi, glider
• T3 transit lane, a type of high-occupancy vehicle lane in Australia
• Volkswagen Type 2 (T3), the third generation of the Volkswagen Bus

Entertainment

• T3: Kapatid Sagot Kita, an investigative-public affairs program of TV5 in the Philippines
• T3 (magazine), a monthly magazine published by Future Publishing focusing on new and hi-tech gadgets
• Terminator 3: Rise of the Machines, the third film in the Terminator series
• Tekken 3, the third in the series of the Tekken video game franchise

Other uses

• Axiom T3 or T3 space, regular space in topology and related fields of mathematics
• T3 ~ Technion Technology Transfer, the technology transfer office of the Technion Israel Institute of Technology
• SPARC T3, a CPU introduced by Sun Microsystems in 2010
• Digital Signal 3 or T3 line, a type of telecommunications service
• Fletcher's Ice Island or T-3, an iceberg discovered by U.S. Air Force Colonel Joseph O. Fletcher and used as a manned scientific research station
• T3 (company), an independent advertising agency and the largest woman-owned advertising agency in the US
• Tungsten T3, a device in the line of palmOne Tungsten handhelds
• Tokyo Teleport Town, a planned city on Odaiba, reclaimed land in Tokyo Bay
• The third public float of the Telstra
• Talking Tactile Tablet, a touch sensitive device to help visually impaired people interpret maps and diagrams
• T-carrier in telecommunications
• Canon EOS Rebel T3, marketing name used in the Americas for the entry-level digital SLR for the Canon EOS 1100D
  • Canon EOS Rebel T3i, an upper entry-level DSLR also known as the EOS 600D
• Oracle's 'T3' Java Remote Method Invocation in Weblogic
• T3, a bedside television unit used by Hospedia
• T-3, the third Jupiter Trojan survey, a subproject of the Palomar–Leiden survey
• T3 (roller coaster) at Kentucky Kingdom